package com.xds.gulimall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @author : baixu
 * @date : 16:34 2021/12/23
 */
@Configuration
public class GuliFeignConfig {
    @Bean
    public RequestInterceptor requestInterceptor(){
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate requestTemplate) {
                //拿到刚进来的请求数据
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if (attributes!=null){
                    HttpServletRequest request = attributes.getRequest();
                    //同步请求头数据
                    if (request!=null){
                        requestTemplate.header("Cookie",request.getHeader("Cookie"));
                    }
                }
            }
        };
    }
}
